<template>
  <div class="app-container">
    <div>讲师列表</div>
    <hr>
    <template>
      <!--查询表单-->
      <el-form :inline="true" class="demo-form-inline">
        <el-form-item>
          <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
        </el-form-item>
        <el-form-item>
          <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
            <el-option :value="1" label="高级讲师"/>
            <el-option :value="2" label="首席讲师"/>
          </el-select>
        </el-form-item>
        <el-form-item label="添加时间">
          <el-date-picker
            v-model="teacherQuery.begin"
            type="datetime"
            placeholder="选择开始时间"
            value-format="yyyy-MM-dd HH:mm:ss"
            default-time="00:00:00"
          />
        </el-form-item>
        <el-form-item>
          <el-date-picker
            v-model="teacherQuery.end"
            type="datetime"
            placeholder="选择截止时间"
            value-format="yyyy-MM-dd HH:mm:ss"
            default-time="00:00:00"
          />
        </el-form-item>
        <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
        <el-button type="default" @click="resetData()">清空</el-button>
      </el-form>
      <!-- 表格 -->
      <el-table
        v-loading="listLoading"
        :data="list"
        element-loading-text="数据加载中"
        border
        fit
        highlight-current-row>
        <el-table-column
          label="序号"
          width="70"
          align="center">
          <template slot-scope="scope">
            {{ (page - 1) * limit + scope.$index + 1 }}
          </template>
        </el-table-column>
        <el-table-column prop="name" label="名称" width="80" />
        <el-table-column label="头衔" width="80">
          <template slot-scope="scope">
            {{ scope.row.level===1?'高级讲师':'首席讲师' }}
          </template>
        </el-table-column>
        <el-table-column prop="intro" label="资历" />
        <el-table-column prop="gmtCreate" label="添加时间" width="160"/>
        <el-table-column prop="sort" label="排序" width="60" />
        <el-table-column label="操作" width="200" align="center">
          <template slot-scope="scope">
            <router-link :to="'/teacher/edit/'+scope.row.id">
              <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
            </router-link>
            <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </template>
    <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />
  </div>
</template>

<script>
import teacher from '@/api/edu/teacher'
   export default {
     //写核心代码
     // data: {
     //
     // },
     data(){//定义变量和初始值
       return{
         list:null,//查询之后接口返回的集合
         page:1,//当前页
         limit:8,//每条记录数
         total:0,//查询总数
         teacherQuery:{} //条件封装对象
       }
     },
     created() {//页面渲染之前执行，一般调用methods的方法
       this.getList()
     },
     methods:{//创建具体方法，调用teacher.js定义的方法
       getList(page=1){
         this.page=page
         teacher.getTeacherListPage(this.page,this.limit,this.teacherQuery)
         .then(response=>{
           console.log(response)
           this.list = response.data.rows
           this.total = response.data.total
         })
         .catch(error=>{
           console.log(error)
         })
       },
       resetData(){
         this.teacherQuery={}
         this.getList()
       },
       removeDataById(id){
         this.$confirm('此操作将永久删除该讲师的记录, 是否继续?', '提示', {
           confirmButtonText: '确定',
           cancelButtonText: '取消',
           type: 'warning'
         }).then(() => {
              teacher.deleteTeacherById(id)
             .then(response=>{
               //删除成功
               this.$message({
                 type: 'success',
                 message: '删除成功!'
               });
               this.getList()
              })
         }).catch(() => {
           this.$message({
             type: 'info',
             message: '已取消删除'
           });
         });
       }
     }
   }
</script>
